<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="register" method="post">
    手机号 <input name="username"/>
    <input type="hidden" value="1" name="code_type"/>
    <input type="hidden" value="+86" name="country"/>
    密码 <input name="password"/>
    验证码 <input name="code"/>
    <button type="submit">注册</button>
</form>



</body>
</html>